<script setup lang="ts">
import Motion from "./utils/motion";
import { useRouter } from "vue-router";
import { message } from "@/utils/message";
import { loginRules } from "./utils/rule";
import { useNav } from "@/layout/hooks/useNav";
import type { FormInstance } from "element-plus";
import { useLayout } from "@/layout/hooks/useLayout";
import { useUserStoreHook } from "@/store/modules/user";
import { initRouter, getTopMenu } from "@/router/utils";
import { bg, avatar, illustration } from "./utils/static";
import { useRenderIcon } from "@/components/ReIcon/src/hooks";
import { ref, reactive, toRaw, onMounted, onBeforeUnmount } from "vue";
import { useDataThemeChange } from "@/layout/hooks/useDataThemeChange";

import dayIcon from "@/assets/svg/day.svg?component";
import darkIcon from "@/assets/svg/dark.svg?component";
import Lock from "@iconify-icons/ri/lock-fill";
import User from "@iconify-icons/ri/user-3-fill";

defineOptions({
	name: "Login"
});
const router = useRouter();
const loading = ref(false);
const ruleFormRef = ref<FormInstance>();

const { initStorage } = useLayout();
initStorage();

const { dataTheme, dataThemeChange } = useDataThemeChange();
const { title } = useNav();

const ruleForm = reactive({
	username: "admin",
	password: "admin123"
});

const onLogin = async (formEl: FormInstance | undefined) => {
	loading.value = true;
	if (!formEl) return;
	await formEl.validate((valid, fields) => {
		if (valid) {
			useUserStoreHook()
				.loginByUsername({
					username: ruleForm.username,
					password: "admin123"
				})
				.then(res => {
					if (res.success) {
						// 获取后端路由
						initRouter().then(() => {
							router.push(getTopMenu(true).path);
							message("登录成功", { type: "success" });
						});
					}
				});
		} else {
			loading.value = false;
			return fields;
		}
	});
};

/** 使用公共函数，避免`removeEventListener`失效 */
function onkeypress({ code }: KeyboardEvent) {
	if (code === "Enter") {
		onLogin(ruleFormRef.value);
	}
}

onMounted(() => {
	window.document.addEventListener("keypress", onkeypress);
});

onBeforeUnmount(() => {
	window.document.removeEventListener("keypress", onkeypress);
});
</script>

<template>
	<div class="select-none">
		<img :src="bg" class="wave" />
		<div class="flex-c absolute right-5 top-3">
			<!-- 主题 -->
			<el-switch
				v-model="dataTheme"
				inline-prompt
				:active-icon="dayIcon"
				:inactive-icon="darkIcon"
				@change="dataThemeChange"
			/>
		</div>
		<div class="login-container">
			<div class="img">
				<component :is="toRaw(illustration)" />
			</div>
			<div class="login-box">
				<div class="login-form">
					<avatar class="avatar" />
					<Motion>
						<h2 class="outline-none">{{ title }}</h2>
					</Motion>

					<el-form
						ref="ruleFormRef"
						:model="ruleForm"
						:rules="loginRules"
						size="large"
					>
						<Motion :delay="100">
							<el-form-item
								:rules="[
									{
										required: true,
										message: '请输入账号',
										trigger: 'blur'
									}
								]"
								prop="username"
							>
								<el-input
									v-model="ruleForm.username"
									clearable
									placeholder="账号"
									:prefix-icon="useRenderIcon(User)"
								/>
							</el-form-item>
						</Motion>

						<Motion :delay="150">
							<el-form-item prop="password">
								<el-input
									v-model="ruleForm.password"
									clearable
									show-password
									placeholder="密码"
									:prefix-icon="useRenderIcon(Lock)"
								/>
							</el-form-item>
						</Motion>

						<Motion :delay="250">
							<el-button
								class="w-full mt-4"
								size="default"
								type="primary"
								:loading="loading"
								@click="onLogin(ruleFormRef)"
							>
								登录
							</el-button>
						</Motion>
					</el-form>
				</div>
			</div>
		</div>
	</div>
</template>

<style scoped>
@import url("@/style/login.css");
</style>

<style lang="scss" scoped>
:deep(.el-input-group__append, .el-input-group__prepend) {
	padding: 0;
}
</style>
